5451, SA · Postcode

Demographics & Identity in 5451, SA

Who lives here — how many people, how old they are, and how communities identify.

A typical resident in postcode 5451 is 54 years old, making this area far older than both the state and national figures. This ageing trend is a standout feature of the region, where the population has grown by 17% to 702 people since 2011.

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📍 5451, SA, Postcode

Where 5451, SA sits — Total population

702 ▲ +17.4%
  • 1–2: 1 area
  • 2–2: 0 areas
  • 2–4: 0 areas
  • 4–5: 2 areas
  • 5–8: 3 areas
  • 8–12: 2 areas
  • 12–19: 2 areas
  • 19–29: 12 areas
  • 29–44: 19 areas
  • 44–67: 35 areas
  • 67–102: 30 areas
  • 102–155: 70 areas
  • 155–237: 97 areas
  • 237–360: 129 areas
  • 360–549: 158 areas
  • 549–836: 168 areas
  • 836–1,273: 181 areas
  • 1,273–1,938: 179 areas
  • 1,938–2,951: 157 areas
  • 2,951–4,493: 179 areas
  • 4,493–6,842: 176 areas
  • 6,842–10,418: 210 areas
  • 10,418–15,865: 268 areas
  • 15,865–24,158: 254 areas
  • 24,158–36,786: 182 areas
  • 36,786–56,016: 93 areas
  • 56,016–85,299: 28 areas
  • 85,299–129,888: 8 areas

All postcode areas, 2021. The marker is 5451, SA — lower than 76% of areas.

Total population compared with the state and national average
5451, SA702
Clare and Gilbert Valleys 9,187
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

The typical person here is 54, which is among the highest for similar areas and 16 years older than the Australian average. This age has climbed by 5 years since 2011.

702 ▲ +17.4%

Lower than 76% of postcode areas.

  • 2011: 598
  • 2016: 695
  • 2021: 702

The number of people who usually live in the area, counted on Census night.

54 yrs ▲ +10.2%

Older than 90% of postcode areas.

  • 2011: 49 yrs
  • 2016: 52 yrs
  • 2021: 54 yrs

Half the population is older than this age, and half younger.

Age profile

How the population splits across age groups.

Seniors aged 65 and over make up 27.9% of the population, which is far above the national figure. Meanwhile, children under 15 are well below the state average at 13.0%, a share that has fallen since 2011.

27.9% ▲ +52.9%

Higher than 85% of postcode areas.

  • 2011: 18.3%
  • 2016: 21.0%
  • 2021: 27.9%

Share of the population aged 65 years and over.

13.0% ▼ -19.4%

Lower than 86% of postcode areas.

  • 2011: 16.1%
  • 2016: 13.4%
  • 2021: 13.0%

Share of the population aged under 15 years.

Age structure

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In 5451, SA, the largest group is Older adults (45–64) at 35%, followed by Seniors (65+) (28%) and Young adults (25–44) (16%).

Identity & relationships

First Nations identity and marital status.

No Aboriginal or Torres Strait Islander people live here, which is well below the national average. About 51.4% of residents are married, while those in de facto relationships rose to 12.9% since 2011.

0.0% ▼ -100.0%

Lower than 99% of postcode areas.

  • 2011: 0.5%
  • 2016: 0.4%
  • 2021: 0.0%

Share of people who identify as Aboriginal and/or Torres Strait Islander.

12.9% ▲ +48.9%

Higher than 57% of postcode areas.

  • 2011: 8.7%
  • 2016: 8.7%
  • 2021: 12.9%

Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).

Marital status

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In 5451, SA, Married is the majority at 50%; Never married is next at 25%.

Age & sex structure

  • 85+: 85+: 5 males; 85+: 6 females
  • 80–84: 80–84: 6 males; 80–84: 14 females
  • 75–79: 75–79: 14 males; 75–79: 17 females
  • 70–74: 70–74: 36 males; 70–74: 27 females
  • 65–69: 65–69: 33 males; 65–69: 35 females
  • 60–64: 60–64: 38 males; 60–64: 35 females
  • 55–59: 55–59: 34 males; 55–59: 35 females
  • 50–54: 50–54: 33 males; 50–54: 32 females
  • 45–49: 45–49: 23 males; 45–49: 18 females
  • 40–44: 40–44: 11 males; 40–44: 20 females
  • 35–39: 35–39: 13 males; 35–39: 20 females
  • 30–34: 30–34: 19 males; 30–34: 11 females
  • 25–29: 25–29: 9 males; 25–29: 15 females
  • 20–24: 20–24: 13 males; 20–24: 14 females
  • 15–19: 15–19: 16 males; 15–19: 10 females
  • 10–14: 10–14: 18 males; 10–14: 14 females
  • 5–9: 5–9: 18 males; 5–9: 11 females
  • 0–4: 0–4: 12 males; 0–4: 18 females

Sources

  • Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).

More for 5451, SA

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 5451, SA [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA5451/5451-sa/topic/demographics-identity